Fix apt-get command

Author: LSchueler

.github/workflows/main.yml

@@ -26,7 +26,7 @@ jobs:
           override: true
           components: rustfmt, clippy
       - name: Install Dependencies
-        run: sudo apt-get install -y build-essentials gfortran
+        run: sudo apt-get install -y build-essential gfortran
       - uses: actions-rs/cargo@v1
         name: fmt
         with: